Home / 1,253,076.72-1,729,247.58-680,116.98

Finding the Fourth Proportional to 1,253,076.72, 1,729,247.58 and 680,116.98

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Solution

The fourth proportional to 1,253,076.72, 1,729,247.58 and 680,116.98 is: 938,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,076.72 : 1,729,247.58 = 680,116.98 : x
  2. Step 2: Convert to fraction form
    1,253,076.72/1,729,247.58 = 680,116.98/x
  3. Step 3: Cross multiply
    1,253,076.72x = 1,729,247.58 × 680,116.98
  4. Step 4: Simplify right side
    1,253,076.72x = 1,176,090,641,781.91
  5. Step 5: Solve for x
    x = 1,176,090,641,781.91/1,253,076.72
  6. Step 6: Final answer
    x = 938,562.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.